Xilun Ma

Hepatic Vessel Map (HVM): An Expert-Annotated CT Dataset for Clinically Applicable AI in Liver Vascular Segmentation and Surgical Planning

Tingting Xie, X M Li, Li Zhang, Xuankai Huang et autres

Precise delineation of hepatic and portal venous anatomy is crucial for the diagnosis of liver disease, surgical planning, and prognosis prediction. Current three-dimensional visualization of these complex vascular structures relies on manual or semi-automated CT segmentation, which is time-consuming and operator-dependent. Although …

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Multiproperty Optimization of Steel Fiber–Reinforced Desert Sand Ultrahigh-Performance Concrete Using Response Surface Methodology and Grey Relational Analysis

Xilun Ma, Kaixiu Wu, Jian Yang, Xiangguo Wu et autres

Sixteen ultrahigh-performance concrete specimens containing desert sand and crushed aggregate (DS-CAUHPC) were prepared by effectively utilizing local desert sand. The mechanical and durability properties of the concrete were systematically investigated, and the results showed that steel fiber incorporation could effectively alleviate the …

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Heterogeneous grip strength trajectories and clinical determinants in middle-aged and older chinese patients with cardiovascular disease: a group-based trajectory modelling analysis of the CHARLS

S C Su, Zexin Chen, Tongchi Xu, Hongchao Wu et autres

BACKGROUND: Grip strength (GS) is a potent biomarker in cardiovascular disease (CVD). However, evidence is scarce regarding the long-term dynamic changes of GS and their multifactorial determinants. This study aimed to identify distinct GS trajectories and their determinants among middle-aged and older …

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Preliminary study on comprehensive regulation of multi-performance characteristics of desert ultrahigh performance concrete in desert and gobi regions

Jian Yang, Xiaolong Li, Xilun Ma, Liuzhuo Chen et autres

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Tensile performance and uniaxial tensile toughness of lightweight ultrahigh-performance concrete: Acoustic emission monitoring and meso-discrete analysis

Kai Hong Luo, Rui Zhang, Xiangguo Wu, Xilun Ma et autres

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Association of possible sarcopenia, sarcopenia and knee osteoarthritis among middle-aged and older adults: Evidence from the CHARLS cohort

Xilun Ma, Zelong Cai, Jiong Zhang, Haiqi Hu et autres

BACKGROUND: Population-based studies exploring the association between sarcopenia, possible sarcopenia and Knee Osteoarthritis (KOA) ‒ particularly including the intermediate state of possible sarcopenia ‒ remain limited. The authors aimed to explore both cross-sectional and longitudinal associations between possible sarcopenia, sarcopenia, and KOA …

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Rapid-cycle deliberate practice with an ex vivo porcine model of intussusception improves radiology residents’ competence in air enema reduction

Yongkang Mo, J. Ma, Yubin Xiao, Xiaojia Wu et autres

BACKGROUND: Air enema reduction is the primary non-surgical intervention for pediatric intussusception. The aim of this study was to determine if rapid-cycle deliberate practice (RCDP) with an ex vivo model of intussusception is more effective than traditional teaching methods (TTM) for improving …

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Convolution Neural Network for Classification L3 Slice and Segmentation of Psoas in Patients with Aortic Dissection

Yin Cai, Xilun Ma, Huanjie Ma, Haibing Wu et autres

Aortic dissection (AD) is one of the life-threatening cardiovascular emergencies, and early prediction facilitates patient management and treatment. Current research is focused on segmenting and quantifying the true and false lumen of the aorta, but aortic dissection is a rare condition with …

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Case report: Leptomeningeal metastasis of advanced nasopharyngeal carcinoma treated with chemoimmunotherapy

Mengting Shi, Dongchen Sun, Xilun Ma, Jiaqing Liu et autres

Leptomeningeal metastasis (LM) of nasopharyngeal carcinoma (NPC) is rare and associated with a poor prognosis. Immune checkpoint inhibitors (ICIs) have been the standard first-line treatment for metastatic NPC, but their effect on meningeal metastasis of NPC needs further investigation. A 38-year-old man …

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A transfer learning nomogram for predicting prostate cancer and benign conditions on MRI

Junhao Chen, Bao Feng, Maoqing Hu, F.H. Huang et autres

BACKGROUND: Deep learning has been used to detect or characterize prostate cancer (PCa) on medical images. The present study was designed to develop an integrated transfer learning nomogram (TLN) for the prediction of PCa and benign conditions (BCs) on magnetic resonance imaging …

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Combination of Quantitative Susceptibility Mapping and Diffusion Kurtosis Imaging Provides Potential Biomarkers for Early-Stage Parkinson’s Disease

Yunjie Rong, Zhifeng Xu, Ye Zhu, Xianhai Zhang et autres

Purpose: This study aimed to detect changes in iron deposition and neural microstructure in the substantia nigra (SN), red nucleus (RN), and basal ganglia of Parkinson’s disease (PD) patients at different stages using quantitative susceptibility mapping and diffusion kurtosis imaging to identify …

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Diffusion Kurtosis Imaging for Detection of Early Brain Changes in Parkinson's Disease

Jitian Guan, Xilun Ma, Yiqun Geng, Dan Qi et autres

We aimed to evaluate microscale changes in the bilateral red nucleus and substantia nigra of patients with Parkinson's disease (PD) using diffusion kurtosis imaging (DKI). Twenty-six patients with PD [mean age, 62.5 ± 8.7 years; Hoehn-Yahr stage, 0-4.0; Unified Parkinson's Disease Rating …

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